JBSA-Randolph holds 9/11 memorial ceremony Published Sept. 11, 2019 By Sabrina Fine 502nd Air Base Wing Public Affairs JOINT BASE SAN ANTONIO-RANDOLPH, Texas -- A 9/11 remembrance ceremony was held Sept. 11 at Joint Base San Antonio-Randolph. The event honored those who lost their lives during terrorist attacks in New York City, Washington D.C. and Pennsylvania 18 years ago.